WHAT ULTREX IS MADE OF:
Fiberglass has an amazing strength-to-weight ratio, which is one of the reasons why it’s the material of choice for boats*, bridges, guardrails, ladders and hardhats.
It’s highly durable, doesn’t leak or corrode, resists rot and resists expanding and contracting in temperature swings. These properties make Ultrex fiberglass 8 times stronger than vinyl and a far more durable material.
EXPANSION AND CONTRACTION
Ultrex expands at virtually the same rate as glass which means our windows stay tight and true making them resistant to leaks, seal failures and stress cracks that can compromise energy efficiency and long-term performance.
FLEXURAL MODULUS STRENGTH:
Ultrex® is 8 times stronger than vinyl.
We know how far our material bends and flexes so you don’t have to worry. That’s confidence that vinyl and vinyl/wood composites, like Fibrex®, can’t deliver.